Previous studies of postnatal synaptic development in human frontal cortex have shown that synaptic density rises after birth, reaches a plateau in childhood and then decreases to adult levels by late adolescence. A similar pattern has been seen in nonhuman primate cortex. These earlier studies in human cortex are limited, however, by significant age gaps in study subjects at critical inflectio...

Adolescence is the most important phase in human development. As per UNISEF (United Nations International Children’s Emergency Fund) Report 2019, Oct 31, more than 80% of adolescents India suffer from “hidden hunger” (a form undernutrition). Whereas, this period where developing body need increased nutritional. Adolescents are deficient nutrients such as iron, folic acid, zinc, vitamins etc. 50...

This article is part of a Special Issue "Puberty and Adolescence". Many endocrine changes are associated with pubertal and adolescent development. One such change is the responsiveness of the hypothalamic-pituitary-adrenal (HPA) axis to physical and/or psychological stressors. Recent human and non-human animal studies have shown that hormonal stress reactivity increases significantly throughout...

a- the goal of this survey is to negotiate the causes of inereasment of psycho-social problems in the adolescence field. we have purposed to evaluate and calegortize 95 persons who were self - refered or refrnal from legal system to crisis - intervention of welfare organization. these persons were classified into three groups through neurologic - psychologic - psychiatric approach: 1- adolescen...

objectives the aim of this study was to identify the health-related counseling needs of adolescent girls to assist them in this period of development. materials and methods forty teenage (13 - 19-year-old) girls, who had at least experienced 3 menstrual cycles, participated in this qualitative study. in-depth semi-structured interviews were used to collect the data. the content analysis method ...

The pursuit of rewarding experiences motivates everyday human behavior, and can prove beneficial when pleasurable, positive consequences result (e.g., satisfying hunger, earning a paycheck). However, reward seeking may also be maladaptive and lead to risky decisions with potentially negative long-term consequences (e.g., unprotected sex, drug use). Such risky decision making is often observed d...

Adolescence is a developmental period often characterized as a time of impulsive and risky choices leading to increased incidence of unintentional injuries and violence, alcohol and drug abuse, unintended pregnancy and sexually transmitted diseases. Traditional neurobiological and cognitive explanations for such suboptimal choices and actions have failed to account for nonlinear changes in beha...